[GraemeJ]

I don't think this is possible with the current version. Whether or not it will come later, only Mike can answer.

Of course, not deleting existing files is exactly what some of us want. We might well have several files with the same name (derived from the title of the piece) but different keys, so we would want to keep all versions. In this instance, to have one file automatically replaced could be a bit of a disaster.

There is an 'Avoid Duplicate Songs' option, but I don't know if this means an original is deleted and replaced with the new, or the new one is ignored. You'd have to play around with that to check it out.